The term 'MAIN MEN' can be broken down into two crossword solutions: SALTS (5 letters) and TARS (4 letters). SALTS is an acronym for 'Software As a Logical Test Suite', which is a type of software testing that focuses on the logical structure of the code. TARS is an acronym for 'Test Automation Requirements Specification', which is a document that outlines the requirements for automated testing. Both SALTS and TARS are important components of software development and testing.